Exhibit 10.1
SPERO THERAPEUTICS, INC.
AMENDED AND RESTATED 2017 STOCK INCENTIVE PLAN
As Amended on May 29, 2024
Unless otherwise specified or unless the context otherwise requires, the following terms, as used in this Spero Therapeutics, Inc. 2017 Stock
Incentive Plan, have the following meanings:
Administrator means the Board of Directors, unless it has delegated power to act on
its behalf to the Committee, in which case the term Administrator means the Committee.
Affiliate means a corporation or other
entity which, for purposes of Section 424 of the Code, is a parent or subsidiary of the Company, direct or indirect.
Agreement means a written or electronic document setting forth the terms of a Stock Right delivered pursuant to the Plan, in such form
as the Administrator shall approve.
Board of Directors means the Board of Directors of the Company.
Cause means, with respect to a Participant (a) dishonesty with respect to the Company or any Affiliate, (b) insubordination,
substantial malfeasance or non-feasance of duty, (c) unauthorized disclosure of confidential information, (d) breach by the Participant of any provision of any employment, consulting, advisory,
nondisclosure, non-competition or similar agreement between the Participant and the Company or any Affiliate, and (e) conduct substantially prejudicial to the business of the Company or any Affiliate;
provided, however, that any provision in an agreement between the Participant and the Company or an Affiliate, which contains a conflicting definition of Cause for termination and which is in effect at the time of such termination, shall supersede
this definition with respect to that Participant. The determination of the Administrator as to the existence of Cause will be conclusive on the Participant and the Company.
Code means the United States Internal Revenue Code of 1986, as amended including any successor statute, regulation and guidance
thereto.
Committee means the committee of the Board of Directors to which the Board of Directors has delegated power to act under
or pursuant to the provisions of the Plan.
Common Stock means shares of the Companys common stock, $0.001 par value
per share.
Company means Spero Therapeutics, Inc., a Delaware corporation.
Consultant means any natural person who is an advisor or consultant who provides bona fide services to the Company or its Affiliates,
provided that such services are not in connection with the offer or sale of securities in a capital raising transaction, and do not directly or indirectly promote or maintain a market for the Companys or its Affiliates securities.
Corporate Transaction means a merger, consolidation, or sale of all or substantially all of the Companys assets or the
acquisition of all of the outstanding voting stock of the Company (or similar transaction) in a single transaction or a series of related transactions by a single entity other than a transaction merely to change the state of incorporation.
Disability or Disabled means permanent and total disability as defined in Section 22(e)(3) of the Code.
Employee means any employee of the Company or of an Affiliate (including, without limitation, an employee who is also serving as an
officer or director of the Company or of an Affiliate), designated by the Administrator to be eligible to be granted one or more Stock Rights under the Plan.
Exchange Act means the United States Securities Exchange Act of 1934, as amended.
Fair Market Value of a Share of Common Stock means:
(1) If the Common Stock is listed on a national securities exchange or traded in the over-the-counter market and sales prices are regularly reported for the Common Stock, the closing or, if not applicable, the last price of the Common Stock on the consolidated tape or other comparable
reporting system for the trading day on the applicable date and if such applicable date is not a trading day, the last market trading day prior to such date;